Methacholine provocation test | definition of methacholine provocation test by Medical dictionary
bronchial challenge test (redirected from methacholine provocation test)
pertaining to or affecting one or more bronchi.
bronchial challenge, bronchial challenge test
a challenge test in which a nonspecific agent such as histamine or methacholine is applied to the bronchi and they are assessed for a bronchoconstriction reaction. Also called bronchial provocation
. See inhalational challenge test.
bronchial challenge test Any of a group of functional tests for assessing asthma, in which a nebulised agent—e.g., histamine, methacholine—is sprayed on the bronchial mucosa that evokes bronchoconstriction in asthmatics, which is detected by spirometry; BCT is used to establish a baseline pulmonary functional status.
References in periodicals archive
1]) and PEF were measured with a portable combined spirometer every 15 min during the exposure to formaldehyde or air-only in the chamber and every hour until the methacholine provocation test
, which was performed 8 hr after the end of the allergen bronchial challenge.